Home / 9,043,369.66-12,472,979.16-6,257,131.66

Finding the Fourth Proportional to 9,043,369.66, 12,472,979.16 and 6,257,131.66

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Solution

The fourth proportional to 9,043,369.66, 12,472,979.16 and 6,257,131.66 is: 8,630,087.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,043,369.66 : 12,472,979.16 = 6,257,131.66 : x
  2. Step 2: Convert to fraction form
    9,043,369.66/12,472,979.16 = 6,257,131.66/x
  3. Step 3: Cross multiply
    9,043,369.66x = 12,472,979.16 × 6,257,131.66
  4. Step 4: Simplify right side
    9,043,369.66x = 78,045,072,796,556.20
  5. Step 5: Solve for x
    x = 78,045,072,796,556.20/9,043,369.66
  6. Step 6: Final answer
    x = 8,630,087.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.